Which of the following is the primary employer of natural resource professionals aPrivate landowners b Local governments c United States Department of Agriculture (USDA) DState and national parks

What must be true for natural selection to heppen

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Do plant cells perform cellular respiration?